The Sizzix Big Shot Pro Extended Cutting Pads are designed for use in the Big Shot Pro machine (sold separately). These see-through Cutting Pads are made of high-quality polycarbonate plastic for easy die-cutting of Bigz Pro 25" dies. To use, sandwich the die and material to be cut between two Cutting Pads, then roll through the machine. The pads measure 26" x 12 1/4" x 1/8" and last for thousands of cuts. Includes 1 pair of Extended Cutting Pads.